struct CV_EXPORTS HOGDescriptor { enum { DEFAULT_WIN_SIGMA = -1 }; An example applying the HOG descriptor for people detection can be found at
I want to write program by opencv c++ using Hog algorithm for matching two https://chrisjmccormick.wordpress.com/2013/01/24/opencv-sift-tutorial In order to use HOG Descriptor you have to build Opencv with enabled CUDA support.
30 Jan 2017 Handwritten Digits Classification : An OpenCV ( C++ / Python ) The complete list of tutorials in this series is given . In this post, we will learn the details of the Histogram of Oriented Gradients (HOG) feature descriptor.
9 May 2013 At each position of the detector window, a HOG descriptor is . OpenCV includes a class for running the HOG person detector on an image.
18 Oct 2015 This is the help page with code from openCV Object Detection Here is a page with example code Example source code of extract HOG feature
22 Apr 2017
6 Dec 2016 The complete list of tutorials in this series is given below: In the HOG feature descriptor, the distribution ( histograms ) of directions of gradients ( oriented C++ Calculate gradient magnitude and direction (in degrees).
9 Sep 2012Convert training/testing set to be used by OpenCV Machine Learning algorithms. * TrainData is a . hog.compute( gray, descriptors, Size( 8, 8 ), Size( 0, 0 ) );.
9 Nov 2011 he also published “tutorial” for HOG on source forge here: (like HOG). Instead of HOG you can use another feature descriptor like SIFT, SURF. SVM implementation is more dificult, but there are some libraries like opencv that you can use.